Exchange market algorithm based optimum reactive power dispatch

被引:57
作者
Rajan, Abhishek [1 ]
Malakar, Tanmoy [1 ]
机构
[1] Natl Inst Technol Silchar, Dept Elect Engn, Silchar 788010, Assam, India
关键词
Optimum reactive power dispatch; Exchange market algorithm; Stability-index; Optimal power flow; OPTIMIZATION; FLOW;
D O I
10.1016/j.asoc.2016.02.041
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this paper, an exchange market algorithm (EMA) approach is applied to solve highly non-linear power system optimal reactive power dispatch (ORPD) problems. ORPD is most vital optimization problems in power system study and are usually devised as optimal power flow (OPF) problem. The problem is formulated as nonlinear, non-convex constrained optimization problem with the presence of both continuous and discrete control variables. The EMA searches for optimal solution via two main phases; namely, balanced market and oscillation market. Each of the phases comprises of both exploration and exploitation, which makes the algorithm unique. This uniqueness of EMA is exploited in this paper to solve various vital objectives associated with ORPD problems. Programs are developed in MATLAB and tested on standard IEEE 30 and IEEE 118 bus systems. The results obtained using EMA are compared with other contemporary methods in the literature. Simulation results demonstrate the superiority of EMA in terms of its computational efficiency and robustness. Consumed function evaluation for each case study is mentioned in the convergence plot itself for better clarity. Parametric study is also performed on different case studies to obtain the suitable values of tuneable parameters. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:320 / 336
页数:17
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